Mercedes ML W164 Fuel Filler Cap Tank Cover Black Covering A1644700030

Mercedes ML W164 Fuel Filler Cap Tank Cover Black Covering is an original component from the Fuel filler flaps and caps category, designed for use in Mercedes vehicles. The black cap ensures a tight seal of the filler neck, supports the proper operation of the fuel system, and helps maintain the appropriate level of operational safety.

Specifications and technical data

• SKU: A1644700030
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1644700030
• Substitutable numbers: A1644700030, A 164 470 00 30
• Color: Black
• Category: Fuel Tank Caps

Purpose and technical function

The presented fuel filler cap is designed as a component of the refueling system in Mercedes ML W164 generation models. Its task is to maintain the tightness of the filler neck, limit fuel evaporation, and protect the tank against external contaminants. Thanks to its fit for the factory mounting socket, the cap works with the original fuel filler flap, requires no modifications, and allows for maintaining the structural integrity of the vehicle.

Construction and functional features

The black color of the element blends well with most body configurations, remaining visually neutral and not distracting from the car's lines. The construction of the cap is prepared for repeated unscrewing and tightening, which is important during daily refueling. The applied sealing solutions help maintain stable conditions within the filler neck area, which is essential for the proper operation of the fuel system.

Benefits of using an original cap

Using an original fuel filler cap in a Mercedes ML W164 allows for maintaining compliance with the vehicle's factory specifications. In practice, this means:

• a secure fit to the fuel filler neck without play or tension,
• maintaining the tightness of the refueling system at the level intended by the manufacturer,
• reducing the risk of moisture and contaminants entering the filler zone,
• a consistent external appearance within the area of the fuel filler flap and cap.

This solution is particularly beneficial for vehicle servicing where maintaining factory parameters and compatibility with other fuel system components is essential.

Condition and service application

The offered cap comes from the secondary market and is intended for service applications in Mercedes ML W164 vehicles. It can be used both as a replacement for a damaged or worn element and in situations where it is necessary to restore the completeness of the refueling system after body and paint repairs. Thanks to the preservation of the original design, the installation proceeds in a predictable manner for the mechanic or user.

Technical support and selection for the fuel system

When selecting components related to refueling and fuel storage, it is worth paying attention to compatibility with other system components. For users who want to better understand the relationships between the cap, tank, pumps, and injectors, the article describing the principles of operation and diagnostics of the entire system will be helpful – detailed information can be found in the material Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

If you are planning a comprehensive repair or upgrade of the fuel filler zone in your Mercedes and need other elements from the same group, such as additional caps, flaps, or filler neck covers, check the available parts in the Mercedes fuel filler flaps and caps category.